import { SearchStrategy, SearchStrategyOptions } from './SearchStrategy.js';
import { PostalCodeData } from '../../types.js';
/**
 * Fast search strategy using an Inverted Index for exact keyword matches.
 */
export declare class InvertedIndexStrategy implements SearchStrategy {
    private invertedIndex;
    private dataArray;
    constructor(data: PostalCodeData[]);
    private buildIndex;
    search(data: PostalCodeData[], keywords: string[], options?: SearchStrategyOptions): Promise<PostalCodeData[]>;
}
//# sourceMappingURL=InvertedIndexStrategy.d.ts.map